EP 0392355 A3 19910522 - OPTICAL-RECORDING MEDIUM
Title (en)
OPTICAL-RECORDING MEDIUM
Publication
Application
Priority
DE 3911829 A 19890411
Abstract (en)
[origin: EP0392355A2] The invention relates to an optical recording medium, essentially consisting of a base material and a light-absorbing layer which contains a thermoplastic binder and at least one dye, the thermoplastic binder being a polycyclic hydrocarbon having a glass temperature Tg higher than 150 DEG C and being soluble to the extent of more than 3% by weight in aliphatic and aromatic hydrocarbons.
IPC 1-7
IPC 8 full level
B41M 5/26 (2006.01); G11B 7/24035 (2013.01); G11B 7/244 (2006.01)
CPC (source: EP US)
G11B 7/244 (2013.01 - EP US); G11B 7/245 (2013.01 - EP US); Y10S 430/146 (2013.01 - EP US)
Citation (search report)
- [X] EP 0294969 A2 19881214 - MINNESOTA MINING & MFG [US]
- [A] DE 3726458 A1 19890216 - BASF AG [DE]
- [A] EP 0161809 A1 19851121 - EASTMAN KODAK CO [US]
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
EP 0392355 A2 19901017; EP 0392355 A3 19910522; DE 3911829 A1 19901018; JP H02293183 A 19901204; US 5124240 A 19920623
DOCDB simple family (application)
EP 90106520 A 19900405; DE 3911829 A 19890411; JP 9418090 A 19900411; US 49447090 A 19900316